Most animals have little connection with animals of a different kind, unless they hunt them for food. Sometimes, however, two kinds of animals come together in a partnership (伙伴关系) which is good for both of them. You may have noticed some birds sitting on the backs of sheep. This is not because they want a ride, but because they find easy food in the parasites (寄生虫) on sheep. The sheep allow the birds to do so because they remove the cause of discomfort. So although they can manage without each other, they do better together.

    Sometimes an animal has a plant partner. The relationship develops until the two partners cannot manage without each other. This is so in the corals(珊瑚) of the sea. In their skins they have tiny plants which act as “dustmen”, taking some of the waste products from the coral and giving in return oxygen which the animal needs to breathe. If the plants are killed, or are even prevented from receiving light so that they cannot live normally, the corals will die.

根据短文内容，从下框的A—F选项中选出能概括每一段主题的最佳选项，并在答题卡上将该选项涂黑，选项中有一项为多余项。

    Research shows that pets help reduce stress．Do you know why and how?

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    For those who love animals,  it's virtually impossible to stay in a bad mood when a pair of loving puppy eyes meets yours, or when a super - soft cat rubs up against your head． Research supports the mood - enhancing benefits of pets．A recent study found that men with AIDS were less likely to suffer from depression if they owned a pet． According to a study, men with AIDS who had pets were only about 50 percent more likely to report symptoms of depression, compared to men with (AIDS who didn't have pets．）

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    While ACE inhibiting drugs can generally reduce blood pressure, they aren't as effective on controlling spikes in blood pressure due to stress and tension．However, in a recent study, a group of patients who got dogs or cats were found to have lower blood pressure and haut rates than those having no pets．When they heard of the results, most of those in the non - pet group went out and got pets !

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    Whether we walk our dogs because they need it, or are more likely to enjoy a walk when we have companionship, dog owners do spend more time walking than non - pet owners, at least if we live in an urban setting．Because exercise is good for stress management and overall health, owning a dog can be credited with increasing these benefits．

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    When we're out walking, having a dog with us can make us more approachable and pave people a reason to stop and talk, thereby increasing the number of people we meet, giving us an pop corduroy to increase our net - work of friends and acquaintances, which also has great stress management benefits．

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    Peels can be there for you in ways that people can't．They can offer love and companionship, and can also enjoy comfortable silence, keep secrets and are excellent companions．And they could be the best killer to loneliness．In fact, research shows that nursing home residents reported less loneliness when visited by dogs than when they spent time with other people !  All these benefits can reduce the amount of stress people experience in response to feelings of social isolation and lack of social support from people．

    Teenagers like watching TV, but their weight problem is becoming more and more serious. Sports shoes that work out whether their owner has done enough exercise to assure time in front of the television have been designed in the UK.

    The shoes named Square Eves contain an electronic pressure sensor and a tiny computer chip to record how many steps the weather has taken in a day. A wireless transmitter (发射器) passes the information to a receiver connected to a television, and this decides how much evening viewing time the wearer deserves, based on the day's efforts.

    The design was inspired by a desire to fight against the rapidly ballooning waistlines among British teenagers, says Gillian Swan, who developed Square Eyes as a final year design project at Brunel University in London, UK. We looked at current issues and childhood overweight really stood out,” she says. "And I wanted to deal with that with my design.”

    Once a child has used up their daily allowance gained through exercise, the television automatically switches off. And further time in front of the TV can only be earned through more steps.

    Swan calculated how exercise should translate to television time using the recommended daily amounts of both. Health experts suggest that a child take 12,000 steps each day and watch no more than two hours of television. So, every 100 steps recorded by the Square Eyes shoes equals precisely one minute of TV time.

    Existing pedometer (计步器) normally clip onto a belt or slip into a pocket and keep count of steps by measuring sudden movement. Swan says these can be easily tricked into recording steps through shaking. But her shoe has been built to be harder for lazy teenagers to cheat. “It is possible, but it would be a lot of effort,” she says. “That was one of my main design considerations.”

    Why do I volunteer with Big Brothers Big Sisters of America? I have many reasons. Perhaps the biggest reason is that someone volunteered to help me. Years ago, I was on the other side of the table. I was lonely and felt kind of lost. More than once, I found myself on the wrong side of a jail cell(牢房). If someone hadn't stepped in, I probably wouldn't even be here right now.

    I've seen the work that Big Brothers Big Sisters has been doing all over the country and I'm pleased to be part of it. I've never done anything that made me prouder than my volunteering work. Big Brothers Big Sisters helped me get my head on straight. There are no words to describe the joy I get from helping somebody turn their life around.

    Don't tell anyone I said that, but volunteering is probably the fastest way to get over sadness or depression. Every time I start to feel bad, I talk to someone who needs my help and it makes me feel better and worse all at the same time. I feel better, because doing good things fills me with a sense of pride. I feel worse because I feel I have no right to complain about my situation especially when I hear what others are going through.

    I've come a long way from where I was. Volunteering is how I want to leave my mark on the world. I recommend volunteering work to everybody, especially for somebody who isn't sure where they're going in life. Helping someone find their path is often the best way to find yours.

    The UK's largest coffee seller, Costa Coffee, has promised to recycle half a billion coffee cups a year by 2020 to deal with plastic waste. The move, which means recycling the same number of cups it puts onto the market, would account for a big percentage out of the 2.5 billion takeaway cups thrown away across the country every year.

    Though marked as recyclable, most of paper coffee cups end up on landfill(垃圾场) or being burned due to the plastic lining(涂层) used to make them waterproof. By paying waste collectors to take coffee cups to certain places, Costa hopes to increase the rate at which cups are recycled. Finally, all a customer will need to do to make sure their cup avoids landfill is throw it into a standard recycling bin.

    Started following the Environmental Audit Committee's report recommending ministers take action to deal with coffee cup waste, the campaign has pushed for action from governments and businesses and promoted possible solutions. Starbucks has promised ￡7m to develop a "fully recyclable cup" following pressure from campaigners, while Waitrose, a supermarket, has planned to stop using disposable(一次性的) coffee cups from its stores by autumn.

    The company has entered into a partnership with five national waste collectors – Veolia, Biffa, Suez, Grundon and First Mile – that between them cover public spaces across the UK including hospitals, universities and transport hubs. The coffee company is also working with paper factories to make sure their products are recycled effectively. James Cropper, for example, has plans to upgrade 500 million cups a year to create plastic-free packaging. By building more partnerships with waste contractors in every area, Costa means to hit its half a billion mark within two years.

    With one report showing the number of takeaway drink cups thrown away in the UK is set to rise by a third by 2030, and the government recently failing to tax some coffee to discourage cup use, it falls to businesses to act on the huge amount of waste from their products.

    Commenting on the announcement, Environment Minister Therese Coffey said: "Congratulations to Costa on taking this significant step to help coffee lovers do the right thing and increase recycling. We all have a responsibility to our environment and this is a significant step by a British business which should increase the number of disposable coffee cups we recycle in this country." "We want to help companies become plastic free and through our 25 Year Environment Plan we are putting in place the aims to encourage all of us to play our part in ending the pollution of plastic waste in our natural environment."

Welcome to Inspire 21

    Our aim is to provide "Inspiring words for the 21^st century". So, here we offer a unique collection of inspiring short stories, motivational short stories, and humorous short stories for you to read and share.

    If you do care to share, click the "SHARE" button in the bottom left corner of each page. And thanks for telling others about Inspire 21.

    The inspiring stories that are labeled (标记) "TRUE" are done so to the best of our knowledge, but we do not have full proof in some cases. However, all of these stories and messages are provided because of their uplifting content, whether true or not. Many books we've read and movies we've watched were totally untrue, but we enjoyed the inspiration they gave us—especially if they had a happy ending.

    So, please read and share these stories at your own discretion (判断力). Thank you for your understanding!

    Also, many of the inspiring stories used here are used with permission from the author. However, we cannot grand (授予) permission to reuse any of these inspirational stories, as the majority of them are not ours.

    Lastly, many inspiring stories (emailed to us or we came across online) are listed as "Author Unknown". If you happen to know the author's name, to whom credit should be given, please contact us with that information so we can keep our inspiring story collection accurate. Thank you again!